mirror of https://github.com/mpv-player/mpv
final fix?
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2289 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
parent
4f8c49ce01
commit
73ac31380d
104
cpudetect.c
104
cpudetect.c
|
@ -86,83 +86,35 @@ void GetCpuCaps( CpuCaps *caps)
|
|||
unsigned int regs2[4];
|
||||
|
||||
bzero(caps, sizeof(*caps));
|
||||
printf("CPUid available: %s\n",has_cpuid()?"yes":"no");
|
||||
/*if (!has_cpuid())
|
||||
return;*/
|
||||
do_cpuid(0x00000000, regs);
|
||||
printf("CPU vendor name: %.4s%.4s%.4s cpuid level: %d\n",®s[1],®s[3],®s[2],regs[0]);
|
||||
if (regs[0]>0x00000001)
|
||||
if (!has_cpuid()) {
|
||||
printf("CPUID not supported!???\n");
|
||||
return;
|
||||
}
|
||||
do_cpuid(0x00000000, regs); // get _max_ cpuid level and vendor name
|
||||
printf("CPU vendor name: %.4s%.4s%.4s max cpuid level: %d\n",®s[1],®s[3],®s[2],regs[0]);
|
||||
if (regs[0]>=0x00000001)
|
||||
{
|
||||
do_cpuid(0x00000001, regs2);
|
||||
printf("CPU family: %d\n",(regs2[0] >> 8)&0xf);
|
||||
switch ((regs2[0] >> 8)&0xf) {
|
||||
case 3:
|
||||
caps->cpuType=CPUTYPE_I386;
|
||||
break;
|
||||
case 4:
|
||||
caps->cpuType=CPUTYPE_I486;
|
||||
break;
|
||||
case 5:
|
||||
caps->cpuType=CPUTYPE_I586;
|
||||
break;
|
||||
case 6:
|
||||
caps->cpuType=CPUTYPE_I686;
|
||||
break;
|
||||
default:
|
||||
caps->cpuType=CPUTYPE_I386;
|
||||
printf("Unknown cpu type, default to i386\n");
|
||||
break;
|
||||
caps->cpuType=(regs2[0] >> 8)&0xf;
|
||||
if(caps->cpuType==0xf){
|
||||
// use extended family (P4, IA64)
|
||||
caps->cpuType=8+((regs2[0]>>20)&255);
|
||||
}
|
||||
|
||||
// general feature flags:
|
||||
caps->hasMMX = (regs2[3] & (1 << 23 )) >> 23; // 0x0800000
|
||||
|
||||
// FIXME: is this ok for non-intel CPUs too? (cyrix,amd)
|
||||
caps->hasSSE = (regs2[3] & (1 << 25 )) >> 25; // 0x2000000
|
||||
caps->hasSSE2 = (regs2[3] & (1 << 26 )) >> 26; // 0x4000000
|
||||
/* FIXME: Does SSE2 need more OS support, too? */
|
||||
#if defined(__linux__) || defined(__FreeBSD__)
|
||||
if (caps->hasSSE)
|
||||
check_os_katmai_support();
|
||||
if (!caps->hasSSE)
|
||||
caps->hasSSE2 = 0;
|
||||
#else
|
||||
caps->hasSSE=0;
|
||||
caps->hasSSE2 = 0;
|
||||
#endif
|
||||
/* FIXME: Are MMX2 ops on the same set of processors as SSE? Do they need OS support?*/
|
||||
caps->hasMMX2 = caps->hasSSE;
|
||||
caps->hasMMX2 = caps->hasSSE; // SSE cpus supports mmxext too
|
||||
}
|
||||
if (regs[1] == 0x68747541 && // AuthenticAMD
|
||||
regs[3] == 0x69746e65 &&
|
||||
regs[2] == 0x444d4163) {
|
||||
do_cpuid(0x00000001, regs2);
|
||||
printf("CPU family: %d\n",(regs2[0] >> 8)&0xf);
|
||||
switch ((regs2[0] >> 8)&0xf) {
|
||||
case 3:
|
||||
caps->cpuType=CPUTYPE_I386;
|
||||
break;
|
||||
case 4:
|
||||
caps->cpuType=CPUTYPE_I486;
|
||||
break;
|
||||
case 5:
|
||||
caps->cpuType=CPUTYPE_I586;
|
||||
break;
|
||||
case 6:
|
||||
caps->cpuType=CPUTYPE_I686;
|
||||
break;
|
||||
default:
|
||||
caps->cpuType=CPUTYPE_I386;
|
||||
printf("Unknown cpu type, default to i386\n");
|
||||
break;
|
||||
}
|
||||
do_cpuid(0x80000000, regs);
|
||||
printf("AMD cpuid-level: 0x%X\n",regs[0]);
|
||||
if (regs[0]>=0x80000001) {
|
||||
do_cpuid(0x80000001, regs2);
|
||||
caps->hasMMX = (regs2[3] & (1 << 23 )) >> 23; // 0x0800000
|
||||
caps->hasMMX2 = (regs2[3] & (1 << 22 )) >> 22; // 0x400000
|
||||
caps->has3DNow = (regs2[3] & (1 << 31 )) >> 31; //0x80000000
|
||||
caps->has3DNowExt = (regs2[3] & (1 << 30 )) >> 30;
|
||||
}
|
||||
do_cpuid(0x80000000, regs);
|
||||
if (regs[0]>=0x80000001) {
|
||||
printf("extended cpuid-level: %d\n",regs[0]&0x7FFFFFFF);
|
||||
do_cpuid(0x80000001, regs2);
|
||||
caps->hasMMX = (regs2[3] & (1 << 23 )) >> 23; // 0x0800000
|
||||
caps->hasMMX2 = (regs2[3] & (1 << 22 )) >> 22; // 0x400000
|
||||
caps->has3DNow = (regs2[3] & (1 << 31 )) >> 31; //0x80000000
|
||||
caps->has3DNowExt = (regs2[3] & (1 << 30 )) >> 30;
|
||||
}
|
||||
#if 0
|
||||
printf("cpudetect: MMX=%d MMX2=%d SSE=%d SSE2=%d 3DNow=%d 3DNowExt=%d\n",
|
||||
|
@ -174,6 +126,18 @@ void GetCpuCaps( CpuCaps *caps)
|
|||
gCpuCaps.has3DNowExt );
|
||||
#endif
|
||||
|
||||
/* FIXME: Does SSE2 need more OS support, too? */
|
||||
#if defined(__linux__) || defined(__FreeBSD__)
|
||||
if (caps->hasSSE)
|
||||
check_os_katmai_support();
|
||||
if (!caps->hasSSE)
|
||||
caps->hasSSE2 = 0;
|
||||
#else
|
||||
caps->hasSSE=0;
|
||||
caps->hasSSE2 = 0;
|
||||
#endif
|
||||
|
||||
|
||||
}
|
||||
|
||||
#if defined(__linux__) && defined(_POSIX_SOURCE) && defined(X86_FXSR_MAGIC)
|
||||
|
|
Loading…
Reference in New Issue